Question: a. Use the data given to test the following hypotheses. H0: = 25 Ha: 25 x = 28.1, n = 57,

a. Use the data given to test the following hypotheses.

H0: µ = 25 Ha: µ ≠ 25

x = 28.1, n = 57, σ = 8.46, α = .01

b. Use the p-value to reach a statistical conclusion.

c. Using the critical value method, what are the critical sample mean values?


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